Home / 181,805.04-250,902.35-100,133.28

Finding the Fourth Proportional to 181,805.04, 250,902.35 and 100,133.28

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Solution

The fourth proportional to 181,805.04, 250,902.35 and 100,133.28 is: 138,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,805.04 : 250,902.35 = 100,133.28 : x
  2. Step 2: Convert to fraction form
    181,805.04/250,902.35 = 100,133.28/x
  3. Step 3: Cross multiply
    181,805.04x = 250,902.35 × 100,133.28
  4. Step 4: Simplify right side
    181,805.04x = 25,123,674,010.70
  5. Step 5: Solve for x
    x = 25,123,674,010.70/181,805.04
  6. Step 6: Final answer
    x = 138,190.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.